The Boeing 737 is a medium-haul jetliner, it was released from the Boeing plants in 1967, under its first version, the 737-100 with a capacity of 100 seats (original version including version -200).
Starting in the 80s, the second generation of this device in version -300, -400 & -500, called "Classic" is equipped with more modern and economical reactors.
In the 1990s, a new generation of the Boeing 737 (Next Generation) appeared with the release of versions -600, -700, -800 and in 1996 from the last version to date, the 737-900 .
The new generation has benefited from the latest technological improvements, notably at the level of the cockpit with the arrival of the "Glass cockpit", instrumentation ultramodern entirely digital, replacing the analog instruments of previous generations.
The engine has also been improved, the new generation is equipped with more efficient CFM56-7B reactors. The addition of "Winglets" at the wing level also helped to reduce fuel consumption.
The Boeing 737-800 is the most sold version, it carries up to 186 passengers over a distance of about 4800km.
The Boeing 737 is now the world's best-selling commercial aircraft with just over 6,000 aircraft in service.